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Analog Devices Inc. LTC6101HVBCS5#TRMPBF
- Part No.:
- LTC6101HVBCS5#TRMPBF
- Manufacturer:
- Analog Devices Inc.
- Category:
- Instrumentation, Op Amps, Buffer Amps
- Package:
- SOT-23-5 Thin, TSOT-23-5
- Datasheet:
-
LTC6101HVBCS5#TRMPBF.pdf
- Description:
- IC CURR SENSE 1 CIRCUIT TSOT23-5
- Quantity:
- Payment:
- Shipping:
Inventory:1,494
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Product details
Overview
LTC6101HVBCS5#TRMPBF from Analog Devices is a high-voltage, high-side current sense amplifier in 5-lead TSOT-23 package, delivering 1μs step response, ±450µV max input offset voltage, and operation from 5V to 100V supply. It converts shunt voltage into ground-referenced output current for precision battery monitoring and industrial power management.
For engineers reviewing the LTC6101HVBCS5#TRMPBF datasheet, LTC6101HVBCS5#TRMPBF pinout, LTC6101HVBCS5#TRMPBF application, or LTC6101HVBCS5#TRMPBF equivalent, key selection criteria include high common-mode voltage tolerance (105V abs max), low quiescent current (350µA typ at 100V), gain configurability via external resistors, and –40°C to 85°C specified temperature range.
Technical Context
The LTC6101HVBCS5#TRMPBF uses a precision current-output architecture where VSENSE across an external shunt is converted to IOUT = VSENSE/RIN, then translated to VOUT = IOUT × ROUT. Its internal high-impedance sense amplifier forces –IN to match +IN potential, enabling accurate Kelvin sensing even under high common-mode conditions.
It features 118dB min PSRR, 140kHz signal bandwidth at 200µA load, and operates with RIN = 100Ω and ROUT = 5kΩ typical configurations. The device supports unidirectional current measurement with 500mV full-scale input sense voltage and maintains accuracy across its full 5V–100V supply range.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Supply Range | 5V to 100V; enables direct monitoring of 48V telecom, 72V EV auxiliary, and industrial 96V bus systems. |
| Input Offset Voltage | ±450µV max; allows use of small shunt resistors (e.g., 5mΩ) while maintaining <1% error at 1A load. |
| Step Response Time | 1µs to 2.5V on 5V output step; supports fast overcurrent detection and protection in switching power supplies. |
| PSRR | 118dB min; rejects supply noise in noisy high-voltage environments without additional filtering. |
| Supply Current | 350µA typical at 100V; reduces self-heating and system power loss in always-on monitoring applications. |
| Input Sense Range | 0–500mV full scale; accommodates wide dynamic current ranges (e.g., 1mA–100A) with appropriate shunt selection. |
| Operating Temp | –40°C to 85°C specified; validated for automotive cabin, industrial control, and outdoor power equipment. |
Pinout & Package
Package: 5-lead plastic TSOT-23 (ThinSOT™), 1mm profile, HV spacing optimized for 105V absolute maximum rating.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| +IN | Non-inverting input | Connected to load side of sense resistor; establishes reference for high-side sensing. |
| –IN | Inverting input | Driven to same potential as +IN; forms virtual ground node for RIN connection to V+. |
| V+ | Positive supply | Supplies operating current; also serves as high-side common-mode reference point. |
| V– | Negative supply / ground | Return path for output current; defines ground reference for VOUT. |
| OUT | Current output | Sources IOUT = VSENSE/RIN; requires external ROUT to ground to generate analog voltage output. |
Key Features
| Feature | Design Value |
|---|---|
| High-voltage operation | 105V absolute maximum supply rating enables direct integration into 48V–96V systems without level-shifting. |
| Configurable gain | Gain set by external RIN/ROUT ratio (e.g., 20× to 100×); eliminates need for trimming or calibration in production. |
| Low input bias current | 170nA max; minimizes error from PCB trace resistance and enables reliable Kelvin sensing. |
| Fast transient response | 1µs rise time supports real-time load current warnings and active shutdown in power converters. |
| Wide temperature specification | –40°C to 85°C guaranteed performance; suitable for under-hood automotive and factory-floor industrial deployment. |
Applications
| Battery Management System | Industrial Power Supply Monitoring |
|---|---|
Use Scenario: Real-time monitoring of 48V lithium-ion pack charge/discharge current with ±1% accuracy over temperature. IC Role / Device Role / Timing Role: High-side current sense amplifier translating mV-level shunt voltage into ground-referenced analog output for ADC sampling. Use Value: Enables precise state-of-charge estimation and cell balancing control using only 5mΩ shunt, minimizing power loss (<250mW at 10A). | Use Scenario: Continuous load current supervision in 72V programmable DC power supply with overcurrent trip. IC Role / Device Role / Timing Role: Fast-response current sensor feeding comparator for sub-2µs fault detection and MOSFET gate shutdown. Use Value: Delivers 1µs step response and 118dB PSRR to maintain accuracy despite switching noise and line transients. |
| Automotive ADAS Power Rail | Telecom Rectifier Module |
Use Scenario: Monitoring 12V–48V hybrid rail current for radar and camera modules in engine compartment. IC Role / Device Role / Timing Role: High-common-mode amplifier operating from 5V to 100V supply, immune to battery ripple and load dump spikes. Use Value: Maintains ±450µV offset stability across –40°C to 85°C, ensuring consistent current reporting during cold cranking and hot soak. | Use Scenario: Input current sensing in 48V telecom rectifier with redundant parallel modules. IC Role / Device Role / Timing Role: Precision current mirror converting shunt voltage to isolated output for system controller feedback. Use Value: Supports 500mV full-scale input and 350µA supply current, enabling high-efficiency, low-heat monitoring in dense chassis layouts. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar high-side current sense amplifier applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| INA240A1QDGKRQ1 | 5V to 80V supply range; 100µV max offset; current-output architecture; AEC-Q100 qualified. | Automotive-qualified; lower offset but narrower voltage range limits use in >80V industrial systems. | Select for automotive-grade designs requiring AEC-Q100 compliance and tighter offset; not drop-in due to different pinout and lower voltage ceiling. |
| MAX40056ATA+T | 3.3V to 65V supply; 150µV max offset; voltage-output architecture; integrated 10-bit ADC interface. | Digital output option; lacks 100V capability and requires external ADC or microcontroller interface. | Choose when digital output simplifies BOM and layout; avoid where analog output compatibility or >65V operation is required. |
Compared with INA240A1QDGKRQ1 and MAX40056ATA+T, the LTC6101HVBCS5#TRMPBF uniquely supports 100V operation with configurable analog output, making it optimal for non-automotive high-voltage industrial and telecom applications where voltage margin and analog interface are critical.
Availability
LTC6101HVBCS5#TRMPBF is available at Aetrix Electronics and suitable for battery management systems, industrial power supplies, automotive ADAS power rails, and telecom rectifier modules requiring stable component supply and long-term lifecycle support.
Supply support for LTC6101HVBCS5#TRMPBF includes scheduled delivery planning, volume procurement assistance, BOM continuity management, traceable sourcing, and lifecycle availability coordination for OEM customers, industrial embedded developers, connected-device designers, and electronics production programs.
Manufacturer
Analog Devices, Inc. (ADI) is a global leader in high-performance analog, mixed-signal, and digital signal processing semiconductors, serving industrial, automotive, communications, and healthcare markets.
The LTC6101HV series is part of ADI's precision current sensing product line, designed specifically for high-voltage, high-accuracy, low-power monitoring in harsh environments where reliability and wide supply range are essential.
FAQ
What is the absolute maximum supply voltage rating for the LTC6101HVBCS5#TRMPBF?
The LTC6101HVBCS5#TRMPBF has an absolute maximum total supply voltage (V+ to V–) rating of 105V, as specified in the Absolute Maximum Ratings table. This allows safe operation in 96V industrial buses and 48V/72V automotive hybrid systems with margin for transients. Exceeding this voltage risks permanent damage, per Note 1 in the datasheet.
How does the LTC6101HVBCS5#TRMPBF achieve high-side current sensing without a level-shifter?
The LTC6101HVBCS5#TRMPBF achieves true high-side sensing by using a current-output architecture that references its inputs to V+, not ground. The internal amplifier forces –IN to match +IN potential, allowing RIN to be tied between –IN and V+, thereby converting VSENSE directly into IOUT = VSENSE/RIN - all while operating with inputs at up to 100V above ground.
What is the minimum sense resistor value recommended for use with the LTC6101HVBCS5#TRMPBF at 10A peak load?
For a 10A peak load and 500mV full-scale input limit, the minimum recommended sense resistor is 50mΩ (500mV ÷ 10A). This ensures VSENSE stays within specification while keeping power dissipation at 500mW. Using smaller values increases offset-induced error; e.g., a 5mΩ shunt yields only 50mV at 10A, amplifying relative offset impact unless compensated via RIN selection.
Can the LTC6101HVBCS5#TRMPBF drive a 10kΩ load resistor directly?
Yes - the LTC6101HVBCS5#TRMPBF can drive a 10kΩ load (ROUT) directly when configured for gains like 50× or 100×. With VSENSE = 100mV and RIN = 200Ω, IOUT = 500µA, producing VOUT = 5V across 10kΩ. The device supports up to 1mA output current, so ROUT must be ≤10kΩ for full-scale 5V output; higher ROUT values require reduced VSENSE to stay within IOUT limits.
Is the LTC6101HVBCS5#TRMPBF pin-compatible with other variants in the LTC6101HV family?
Yes - all LTC6101HV variants in the S5 (TSOT-23) package, including LTC6101HVBCS5#TRMPBF, share identical 5-pin pinout (+IN, –IN, V+, V–, OUT) and footprint. Temperature grade (B-grade = –40°C to 85°C) and marking (LTBSZ) differ, but electrical and mechanical compatibility is maintained across the S5-series HV variants.
LTC6101HVBCS5#TRMPBF Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Analog Devices Inc.
- Series:
- -
- Package/Case:
- SOT-23-5 Thin, TSOT-23-5
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Amplifier Type:
- Current Sense
- Number of Circuits:
- 1
- Output Type:
- -
- Slew Rate:
- -
- Gain Bandwidth Product:
- 200 kHz
- -3db Bandwidth:
- -
- Current - Input Bias:
- 100 nA
- Voltage - Input Offset:
- 150 µV
- Current - Supply:
- 350µA
- Current - Output / Channel:
- 1 mA
- Voltage - Supply Span (Min):
- 5 V
- Voltage - Supply Span (Max):
- 100 V
- Operating Temperature:
- 0°C ~ 70°C
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- TSOT-23-5
LTC6101HVBCS5#TRMPBF FAQ
1.How can I place an order for LTC6101HVBCS5#TRMPBF through Aetrix?
Please submit a Request for Quotation (RFQ) for LTC6101HVBCS5#TRMPBF on Aetrix. Our sales agent will provide a competitive quotation and guide you through the order confirmation once you accept the terms.
2.Are the price and stock information for LTC6101HVBCS5#TRMPBF reliable?
The price and inventory of LTC6101HVBCS5#TRMPBF are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for LTC6101HVBCS5#TRMPBF is usually 5 days.
3.What payment methods are accepted for LTC6101HVBCS5#TRMPBF?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for LTC6101HVBCS5#TRMPBF transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for LTC6101HVBCS5#TRMPBF?
LTC6101HVBCS5#TRMPBF orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your LTC6101HVBCS5#TRMPBF order is processed, you will receive an email with the shipment details and tracking number.
Note: Tracking information may take up to 24 hours to appear. Express delivery typically takes 3–5 business days.
5.How can I obtain technical support or documentation for LTC6101HVBCS5#TRMPBF?
For technical support, including LTC6101HVBCS5#TRMPBF datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your LTC6101HVBCS5#TRMPBF requirements.
6.How does Aetrix verify that LTC6101HVBCS5#TRMPBF is sourced from the original manufacturer or authorized distributors?
All LTC6101HVBCS5#TRMPBF products on Aetrix are procured from qualified distributors and authorized channels. Our dedicated quality assurance team conducts strict verification, including traceability checks and, if necessary, third-party testing. This ensures that LTC6101HVBCS5#TRMPBF meets industry standards.
7.What is the process for return or replacement of LTC6101HVBCS5#TRMPBF?
All LTC6101HVBCS5#TRMPBF units undergo pre-shipment inspection (PSI). If there is an issue with LTC6101HVBCS5#TRMPBF, returns or replacements are accepted under the following conditions:
1.Quantity discrepancies, incorrect items, or visible external defects (such as breakage or corrosion), acknowledged by Aetrix.
2.The issue is reported within 90 days of delivery.
3.The LTC6101HVBCS5#TRMPBF part is unused and in its original packaging.
Return procedure for LTC6101HVBCS5#TRMPBF:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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